8.9 and 8.10

Which of the following is classified as a type of solid waste?

• Sewage sludge

• Radioactive waste

• Municipal solid waste

• Both A and C

Which type of landfill is designed to minimize the environmental impact of solid waste disposal?

• Open dump

• Sanitary landfill

• Hazardous waste landfill

• Industrial landfill

What is one potential environmental problem associated with sanitary landfills?

• Lack of air circulation

• Groundwater contamination from leachate

• Acid rain formation

• Soil erosion

Which layer is typically used in sanitary landfills to prevent leachate from contaminating the soil?

• Gravel

• Plastic liner

• Sand

• Wood chips

How is methane gas managed in a sanitary landfill?

• It is vented into the atmosphere

• It is burned off

• It is used to generate electricity

• Both B and C

Which of the following is NOT an alternative method of solid waste management?

• Incineration

• Landfilling

• Composting

• Waste-to-energy

What is the primary environmental benefit of incineration as a waste management method?

• Reduces landfill size

• Eliminates the need for recycling

• Generates energy

• Reduces greenhouse gases

Which of the following is a disadvantage of incineration?

• It releases toxic chemicals into the atmosphere

• It causes land degradation

• It promotes deforestation

• It uses nonrenewable resources

Which of the following materials is best suited for composting?

• Plastics

• Food scraps

• Metals

• Glass

Which alternative waste management method converts waste into a usable energy source?

• Sanitary landfill

• Incineration

• Recycling

• Composting